Otto-William, Count of Burgundy Count of Burgundy (c. 958 – 1026) (0958–1026) Parents Gerberga of Chalon Adalbert of Italy Henry I, Duke of Burgundy Children Matilda of Burgundy Reginald I, Count of Burgundy Guy I of Mâcon Gerberga of Burgundy Agnes of Burgundy, Duchess of Aquitaine Partners Ermentrude of Roucy Adelaide-Blanche of Anjou